[syn: mailbag, postbag]
The Collaborative International Dictionary of English v.0.48:
mailbag \mail"bag`\, mail bag \mail bag\n.
A bag in which mailed matter is conveyed or shipped under
public authority.
Syn: mail pouch.
[WordNet 1.5]
2. A letter carrier's shoulder bag; as, in England they call
a mailbag a postbag.
Syn: postbag.
[WordNet 1.5] mailboat
WordNet (r) 3.0 (2006):
mailbag
n 1: pouch used in the shipment of mail [syn: mailbag, mail
pouch]
2: letter carrier's shoulder bag; "in Britain they call a
mailbag a postbag" [syn: mailbag, postbag]